Composition for making dental impressions.



' To all whom it may concern:

' Vernon and State of Wisconsin, have invent- UNITE srn rs PATENT oration HERBERT H. KREUTZIVIANN, OF HILLSBORO, WISCONSIN.

COMPOSITION FOR MAKING DENTAL IMPRESSIONS.

No Drawing.

Be it known that I, HERBERT H. KREUTZ- MANN, residing at Hillsboro, in the county of The invention consists of a compound com- 7 posed of plaster of Paris 760 grams; sodium chlorid, 35 grains; carmine, grain; orris root (powdered) 1 grain; water 11} ounces.

The ingredients are thoroughly mixed into the required paste in the usual manner and may be used. in an impression cup in order to obtain the impression of the mouth and teeth.

Specification of Letters Patent.

Application filed June19, 1916. Serial No. 104,403.

I find from practical experiencethat the composition referred to is very quick-acting; in fact, it is almost instantaneous in its setting properties, and hence is especially adaptable for the purposes stated.

From the foregoing it is thought the nature and uses of the invention and its advantages over the compositions of the prior art will be clear to those skilled in the art to which the invention relates.

What I claim is The herein described composition of mat ter consisting of plaster of Paris 760 grains, sodium chlorid 35 grains, carmine grain, orris root (powdered) 1 grain, and water 1% ounces.

HERBERT H. KRETU'TZBIANNa 

